Home / 330,140.91-456,006.75-254,577.63

Finding the Fourth Proportional to 330,140.91, 456,006.75 and 254,577.63

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Solution

The fourth proportional to 330,140.91, 456,006.75 and 254,577.63 is: 351,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,140.91 : 456,006.75 = 254,577.63 : x
  2. Step 2: Convert to fraction form
    330,140.91/456,006.75 = 254,577.63/x
  3. Step 3: Cross multiply
    330,140.91x = 456,006.75 × 254,577.63
  4. Step 4: Simplify right side
    330,140.91x = 116,089,117,679.00
  5. Step 5: Solve for x
    x = 116,089,117,679.00/330,140.91
  6. Step 6: Final answer
    x = 351,635.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.